Portable Document Format (PDF) was introduced by Adobe labs about 3 decades ago. It is one of the popular file formats used to exchange files and documents. There are different ways to customize your PDF files and one of them is to add a watermark to the PDF. Watermarks are used to personalize your PDF documents to make them authentic.
Regular PDF readers don’t come with multiple features to add, edit, or delete content from PDF files. You need a dedicated PDF editor to personalize your PDF documents. There are a few online PDF editors that allow limited services or trial services that you can use to make a few changes. If you need a robust solution to edit PDF files, you will need to use Advanced PDF Manager to meet all your editing needs. Here are a few tips and tricks on how to add a watermark to a PDF file.
Add Watermark to PDF Online
There are several online PDF editors and even Adobe also offers free PDF editing tools however it requires registration. There are a series of PDF editing, formatting, conversion, merge, split, crop, sign, and other tools. We recommend iLovePDF.com as the best online solution.

Step 1. Access your browser and go to ilovepdf.com.
Step 2. Browse through the tools and select the Watermark tool to go forward.
Step 3. Browse and select the PDF file to which you want to add a watermark.
Step 4. You will find watermark options on the right-hand side panel. Select between text or image as a watermark. Edit the text, position, rotation, layer, and transparency effects before you click on the Add Watermark button.

Step 5. Once you click on the Add Watermark button, it will add the watermark and prepare your document. It will populate a window to give a name and save the finalized PDF document on your PC. You can also upload the edited PDF document on your Google Drive or Dropbox account. It also allows you to share the download link or scan a QR code to access the document.
Add Watermark to PDF Using Adobe Acrobat
Many OEM machines are loaded up with a free subscription to Adobe Acrobat. You can use this to add, edit, or remove watermarks. The free version will not allow you to add a watermark.
Step 1. Open the PDF using Adobe Acrobat.
Step 2. Go to the Tools menu and select the Edit PDF option.
Step 3. Click on the Watermark option and select Add.

Step 4. Select the page range, image or text, and appearance setting where you want to add the watermark. You can browse through your gallery to select an image. You can edit or remove the watermark from the same settings page.
Add Watermark to PDF Using Advanced PDF Manager
Advanced PDF Manager is a great PDF utility to apply watermarks and manage PDF files. It is loaded with advanced features to merge multiple files into one, split files, rearrange files, rotate or print files, and add a password to secure your PDF file. It is compatible with Windows 11, 10, 8.1, 8, and 7 (32 & 64 Bit).

Advanced PDF Manager allows you to combine or trim PDF files as needed. Adding a password is easy to secure the confidentiality of the content. There are different viewing modes to view and edit PDF files before sharing.

Step 1. Download and install Advanced PDF Manager from its official website.
Step 2. Activate the product with the license key to enable premium features.
Step 3. Access the PDF file that you wish to edit or apply a watermark.
Step 4. Add a watermark and configure the setting, layout, transparency, and other effects. Save the file before you share it with others.

Advanced PDF Manager has premium features at a reasonable cost. All the tools and effects are visible on the main console. It also allows you to duplicate a page or entire PDF file to try out changes. You can configure advanced settings on the Settings tab.
Final Words
This article on how to add a watermark to a PDF has the best options available to edit PDF files. You can add watermark to PDF files online however if you deal with a lot of files, you will need a dedicated tool. Advanced PDF Manager is an advanced tool to add, edit, or remove watermarks and do a lot more with PDF files. This lightweight utility doesn’t utilize much of your system resources and gives you multiple editing options. Add security with a password and edit PDF files the way you want them.